New

New

Year 5

# Use knowledge of area to solve problems in a range of contexts

I can use knowledge of area to solve problems in a range of contexts.

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New

New

Year 5

# Use knowledge of area to solve problems in a range of contexts

I can use knowledge of area to solve problems in a range of contexts.

Share activities with pupils

Share function coming soon...

## Slide deck

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## Lesson details

### Key learning points

- To find the area of a rectangle you multiply the length by the width.
- Compare different methods to decompose shapes and decide which is the most efficient.
- Choose the most efficient calculation strategies to calculate the area of a compound rectilinear shape.

### Common misconception

Pupils may think that there is only one possible answer to some problems or only one way to solve a problem.

Discuss whether there is only one possible answer to a problem or if there are many solutions. Ensure that more than one approach to solving a problem is modelled where appropriate.

### Keywords

Dimension - A dimension is a measure of length in one direction.

### Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

## Video

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## Worksheet

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## Starter quiz

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### 6 Questions

Q1.

Match the pairs of numbers with a product 40.

8

40

10

20

Q2.

Which of these shapes are compound shapes?

A

C

Q3.

Look at this rectilinear compound shape. It is made up of 6 squares. Calculate the total area of the shape. A = cm².

Q4.

This image is of the flag of Romania. It consists of three rectangles of equal size. Calculate the total area of one rectangle. A = cm².

Q5.

Calculate the area of this compound rectilinear shape. A = cm².

Q6.

Choose an efficient method to calculate the area of this compound shape. A = cm².

## Exit quiz

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### 6 Questions

Q1.

This rectangle has an area of 30 cm². Match the dimensions that would give this area.

6 cm

3 cm

15cm

30 cm

Q2.

The area of a rectangular carpet is 40 m². One dimension is 8 m. What is the other dimension? m.

Q3.

Look at rectangles A and B. Which of the statements is correct?

The area of rectangle A is equal to the area of rectangle B.

The area of rectangle B is greater than the area of rectangle A.

Q4.

A square white paving slab has been placed on a square garden lawn. What is the area of lawn that can be seen? A = m².

Q5.

A small square is shown inside a larger rectilinear shape. Choose an efficient method to calculate the area of the rectilinear shape. A = cm².

Q6.

Choose an efficient method to calculate the area of the rectilinear shape. A = cm²